in the upper 60s tonight. >>> a new technology developed here in the bay area could save thousands of patients from having unnecessary tests for heart disease. it could also help doctors pinpoint those with the highest risk. abc7 news health and science reporter carolyn johnson has a look. >>> normal breaths for now. >> richard was a few strokes from the green when a strange feeling interrupted his round of golf. he knew he was uncomfortable but the symptoms were vague. >> i got a burning sensation across my chest. it was not a pain. >> now it could be gastrointestinal, it could be their lungs or it could be a heart blockage and my job is listening to them and ferret out more selective symptoms that may pinpoint whether they have heart disease. >> the cardiologist said the goal is to avoid running everybody through tests which are effective but also carry side effects. >> ten years of radiation you get in that procedure. >> it includes prescreening patients with a cardiostress test, often involving a treadmill. now a bay area company believes it has an alternative that can help spot w